{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["Disease", "Chemical"], "input": "Conversely , administration of rauwolscine ( 3 mg kg - 1 i . v . ) in chronic prazosin treated SHR decreased the basal MAP by 12 - 31 % ( n = 4 ) , and subsequent tilts induced further drops of MAP by 19 - 23 % in these rats ."}
{"Disease": [], "Chemical": ["rauwolscine", "prazosin"]}